README.rb

# ADD support "req.body" for appengine-apis.
# http://www.ruby-lang.org/ja/man/html/Net_HTTPRequest.html

#######################################
## webserver.rb
require 'webrick'

s = WEBrick::HTTPServer.new(
   :BindAddress => '127.0.0.1',
   :Port => 18080,
   :Logger => WEBrick::Log::new($stderr, WEBrick::Log::DEBUG)
)
s.mount_proc('/') do |req, res|
  s = "request_method=#{req.request_method} content_length=#{req.content_length} body=[#{req.body}] body.size=#{req.body.size rescue nil}"
  puts s
  res.body = s
  res.content_length = s.size
  res.content_type = "text/plain"
end
Signal.trap('INT'){ s.shutdown }
s.start


################################
## httppost.rb
require 'net/http'
Net::HTTP.version_1_2

Net::HTTP.start('localhost', 18080) {|http|
  response = http.post('/test1', 'a=1&b=2')
  puts response.body
}

http = Net::HTTP.new('localhost', 18080)
req  = Net::HTTP::Post.new("/test2")
req.body = "c=3&d=4"
res = http.request(req)
puts res.body
######################################


=begin
tkrmb:~/rails/.../versions/hello-twit% ruby -v
ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin8]

tkrmb:~/rails/.../versions/hello-twit% ruby httppost.rb 
request_method=POST content_length=7 body=[a=1&b=2] body.size=7
request_method=POST content_length=7 body=[c=3&d=4] body.size=7

tkrmb:~/rails/.../versions/hello-twit% jruby -v
jruby 1.4.0 (ruby 1.8.7 patchlevel 174) (2009-11-02 69fbfa3) (Java HotSpot(TM) Client VM 1.6.0_03-p3) [i386-java]

tkrmb:~/rails/.../versions/hello-twit% jruby httppost.rb
request_method=POST content_length=7 body=[a=1&b=2] body.size=7
request_method=POST content_length=7 body=[c=3&d=4] body.size=7

# appengine-apis
tkrmb:~/rails/.../versions/hello-twit% LANG=C appcfg.rb run httppost.rb
request_method=POST content_length=7 body=[a=1&b=2] body.size=7
request_method=POST content_length=0 body=[] body.size=

appengine-apis is not supported "req.body"
=end